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Classes of arthropods

Classify the main classes of arthropods in accordance with the presence of larval stage in their embryonic development?

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In “crustaceans” there exist species having direct and others having indirect development. In insects there are some species without having larval stage, while others undergoing the indirect development starting with the egg stage followed by the nymph stage while others having indirect development starting with larval stage . Transformation of larva into the adult individual is known as metamorphosis. Hemimetabolic insects go through the incomplete metamorphosis whearas holometabolic insects go through the complete metamorphosis.

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